Acidic calcium sulfate improved chilling tolerance and aroma quality by regulating reactive oxygen species metabolism and biosynthesis of volatiles in peaches
文献类型： 外文期刊
作者： He, Hui 1 ; Liu, Chen-xia 1 ; Wang, Qian-kun 1 ; Wang, Chun-fang 1 ; Chen, Bing-jie 1 ; Wang, Xiao 1 ; Wang, Ke 2 ; Su, Jing-tang 3 ; Liu, Wen-hui 4 ; Li, Shao-zhen 4 ; Cheng, Zhao-hui 5 ; Qiao, Yong-jin 1 ; Liu, Hong-ru 1 ;
作者机构： 1.Shanghai Acad Agr Sci, Crop Breeding & Cultivat Res Inst, Agrifood Storage & Proc Engn Technol Res Ctr, 1000 Jinqi Rd, Shanghai 201403, Peoples R China
2.Anhui Agr Univ, Key Lab Jianghuai Agr Prod Fine Proc & Resource Ut, Anhui Engn Lab Agroprod Proc, Minist Agr & Rural Affairs, Hefei 230036, Peoples R China
3.Mengyin Taihang Food Co Ltd, Linyi 376200, Shandong, Peoples R China
4.Beijing Huiyuan Food & Beverage Co Ltd, Beijing 101400, Peoples R China
5.Shanghai Lvsheng Ind Co Ltd, Shanghai 202156, Peoples R China
关键词： ACS; Chilling injury; Aroma volatiles; Antioxidant metabolism; Reactive oxygen species
期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.6； 五年影响因子：6.9 ）
ISSN： 0023-6438
年卷期： 2025 年 215 卷
页码：
收录情况： SCI
摘要： Cold storage has been widely used to extend the shelf-life of perishable peaches, yet the chilling injury has resulted in the loss of aroma quality. Acidic Calcium Sulfate (ACS) is a novel preservative with broad antibacterial and preservation properties with high acidity. The peaches treated with optimal concentration of ACS (1000 mg/L) reduced internal flesh browning and CI symptoms with low levels of reactive oxygen species and malondialdehyde. ACS increased the antioxidant enzyme activities of superoxide dismutase, catalase, peroxidase and the ascorbate-glutathione (AsA-GSH) cycle enzymes and improved the accumulation of AsA and GSH. Furthermore, ACS maintained key esters and lactone emissions during shelf life after cold storage. Accordingly, the elevated enzyme activities of lipoxygenase and alcohol acyltransferase as well as the induction of PpLOX1 and PpAAT1 expression levels determined the biosynthesis of the volatiles. In conclusion, ACS alleviated chilling injury and improved flavor quality by enhancing antioxidant capacity and biosynthesis of the volatile in peaches.
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